Debugger: fix evaluation for local classes

#KT-5104 Fixed

idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/localClass.kt

@@ -0,0 +1,17 @@
+package localClass
+
+fun main(args: Array<String>) {
+    class LocalClass {
+        fun test() = 1
+    }
+
+    val local = LocalClass()
+    //Breakpoint!
+    val a = 1
+}
+
+// EXPRESSION: local
+// RESULT: instance of localClass.LocalClassKt$main$LocalClass(id=ID): LlocalClass/LocalClassKt$main$LocalClass;
+
+// EXPRESSION: local.test()
+// RESULT: 1: I